Table 6.
Changes in Use of Glaucoma Diagnostic Procedures and Different Combinations of Procedures for Incident Suspected Glaucoma Diagnosed in 2003 and 2007
| ≥ 1 procedure during interval | ≥ 1 instance of same-day procedure during interval |
≥ 1 of each procedure during respective interval |
Only one type of procedure during interval |
VF yes / OOI no (%) |
OOI yes / VF no (%) |
None | |||||||||||
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| VF(%) | FP(%) | OOI (%) | VF & FP (%) |
FP & OOI (%) |
VF & OOI (%) |
3 tests (%) |
VF & FP (%) |
FP & OOI (%) |
VF & OOI (%) |
3 tests (%) |
VF only (%) |
FP only (%) |
OOI only (%) |
||||
| Change in proportions from 2003 to 2007 (12 months) | 0.0 | +9.4 | +11.6 | +3.5 | +1.9 | +6.4 | +0.8 | +6.1 | +6.1 | +7.9 | +5.1 | −8.9 | +2.4 | +2.7 | −7.9 | +3.7 | −6.1 |
| Change in proportions from 2003 to 2007 (15 months) | +0.1 | +9.6 | +11.4 | +3.8 | +2.0 | +6.5 | +0.8 | +6.4 | +6.4 | +7.7 | +5.4 | −8.6 | +2.3 | +2.6 | −7.7 | +3.7 | −6.0 |
| Change in proportions from 2003 to 2007 (18 months) | 0.0 | +10.0 | +11.4 | +3.9 | +2.0 | +6.7 | +0.9 | +6.7 | +6.8 | +7.8 | +5.8 | −8.6 | +2.3 | +2.6 | −7.8 | +3.6 | −5.9 |
| Change in proportions from 2003 to 2007 (24 months) | −0.1 | +9.8 | +11.3 | +4.1 | +2.3 | +7.0 | +1.0 | +6.5 | +7.0 | +7.7 | +5.9 | −8.4 | +2.2 | +2.4 | −7.8 | +3.5 | −5.7 |
OOI = ocular imaging; FP = fundus photography; VF = visual field testing
Statistical comparison of changes in proportions of a given procedure or group of procedures from 2003 to 2007 using chi-square test with Holm’s adjustment for multiple comparisons. Bold indicates p ≤ 0.01